{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["place of death", "place of birth", "education institution", "education degree"], "input": "Born in Greenock , Jimmy Shields  joined the Communist Party of Great Britain CPGB in 1921. Out of work, he moved to South Africa in 1925, where he joined the Communist Party of South Africa, becoming its General Secretary within months. During this period, one of his speeches convinced Edwin Thabo Mofutsanyana to join the party."}
{"place of death": [], "place of birth": [{"subject": "Jimmy Shields ", "object": "Greenock"}], "education institution": [], "education degree": []}